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Department of the Interior NAICS 541690 and PSC R699 contractors

Other Scientific and Technical Consulting Services. SUPPORT- ADMINISTRATIVE: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 541690 · PSC R699
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$443,330,009

State overlap

2

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541690 and PSC R699

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$289,706,840

Akima Systems Engineering LLC

Herndon, VA

Akima Systems Engineering LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $76,312,079 in visible federal obligations across 232 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$46,620,243

Koniag Advisory And Business Solutions, LLC

Anchorage, AK

Koniag Advisory And Business Solutions, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $5,493,863 in visible federal obligations across 31 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$2,148,210

Zantech It Services, Inc.

Reston, VA

Zantech It Services, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $5,074,846 in visible federal obligations across 51 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R408.

$40,666,706

Ares Corporation

Mclean, VA

Ares Corporation is a federal category business profile based in Mclean, VA. The current public data layer shows $1,760,163 in visible federal obligations across 16 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$64,188,010